241 results about "Protein fiber" patented technology

Pet food compositions and methods for improving the wellness of a pet are disclosed herein. In one aspect, provided is a pet food composition comprising about 10 wt. % or more of fat, the fat comprising one or more short chain triglyceride; a protein; and a fiber, wherein all weight percentages are based on the total weight of the pet food composition on a dry matter basis. In another aspect, a method is provided for improving the concentration of metabolite beta-hydroxybutyrate in a pet by providing a pet food composition comprising protein, fiber, and about 7 wt. % or more of fat, the fat comprising one or more short chain triglyceride, wherein the metabolite beta-hydroxybutyrate increases by about 5% or more an hour after consumption of the pet food composition by a pet and the glucose to ketone index decreases by 10% or more.

The invention provides a soybean amyloid protein fiber, a preparation method thereof, a high internal phase emulsion and application, and belongs to the technical field of protein fibers. The preparation method comprises the following steps: dissolving soybean protein isolate in water, adjusting the obtained soybean protein isolate solution to a first pH value, carrying out ultrasonic treatment and / or first stirring treatment, adjusting the obtained feed liquid to a second pH value, sequentially carrying out second stirring treatment, dialysis and freeze drying, and dissolving the obtained pretreated soybean protein isolate in water, adjusting the pH value of the pretreated soybean protein isolate solution to a third pH value, and sequentially performing hydration treatment and fiber growth treatment to obtain the soybean amyloid protein fiber. The invention provides a soybean amyloid protein fiber preparation method based on ultrasonic pretreatment and / or pH migration pretreatment. The yield and the emulsifying property of the obtained soybean amyloid protein fiber can be remarkably improved.

The invention discloses an antistatic wig hairline and a preparation method thereof. The antistatic wig hairline is characterized by comprising regenerated polyester, a quantum dot-carbon nanotube composite antistatic agent, a phase-change flame-retardant microcapsule, a bioactive protein fiber reinforcement and a functional additive which are subjected to melt spinning to prepare the hairline, wherein the regenerated polyester, the quantum dot-carbon nanotube composite antistatic agent, the phase-change flame-retardant microcapsule, the bioactive protein fiber reinforcement and the functional additive are subjected to melt spinning. Wherein the antistatic agent is formed by compounding cadmium sulfide quantum dots and carboxylated single-walled carbon nanotubes, and has good stability; the phase-change flame-retardant microcapsules can enhance the flame retardance; the bioactive protein fiber reinforcement is composed of dopamine modified mulberry silk fibroin fibers. The invention solves the problem that the anti-static property of the wig is reduced after the wig is used for a long time and cleaned, improves the anti-static property, flame-retardant property and the like of the wig, and has higher practical value.

A method of preparing a polyamide membrane with multi-level pore structure mediated by protein fiber network includes the steps of: preparing protein fiber; quenching and carrying out dialysis; loading protein fiber network on ultrafiltration membrane; preparing aqueous and organic phase solutions; and carrying out interfacial polymerization, which can solve the problems of the integrity and separation performance of the polyamide layer being affected by low porosity of the base membrane and uneven distribution of amine monomers. The polyamide membrane prepared by the method of the present invention greatly improves the water flux while ensuring a high salt rejection rate. At the same time, the introduction of the protein fiber network also enhances the mechanical strength and anti-pollution ability of the membrane.

The invention provides a plant amyloid protein fiber, a preparation method thereof, a composite film and a composite coating preservative, and belongs to the technical field of protein fibers. The method comprises the following steps: mixing plant protein isolate with water, adjusting the pH value to 1.5-2.5, then carrying out solid-liquid separation, and carrying out fiber growth treatment on the obtained liquid material containing the plant protein to obtain the plant amyloid protein fiber; according to a growth kinetic curve, the fiber growth treatment comprises first incubation treatment, ultrasonic treatment and second incubation treatment in sequence, the time of the first incubation treatment is 0 h to the end of the logarithmic phase, and the first incubation treatment and the second incubation treatment are carried out under a non-ultrasonic condition; when the time of the first incubation treatment is 0 h, the ultrasonic power density of the ultrasonic treatment is greater than or equal to 2.5 W / mL. According to the method, the growth process and morphology of the fibers can be conveniently and simultaneously regulated, and the proportion of rigid fibers can be reduced.

The invention discloses a woolen spinning production process for cashmere and protein fiber blended yarn. The woolen spinning production process comprises the steps of raw material selection, wherein cashmere fibers and protein fibers are selected; the raw material pretreatment comprises wool mixing treatment of cashmere fibers and pretreatment of protein fibers; the pretreatment agent is prepared from deionized water, a penetrating agent, an antistatic agent, a silicon-based softening agent, cocamidopropyl hydroxysulfobetaine and waterborne polyurethane; in the opening picking process, two times of cotton cleaning are adopted; a carding process: carding the mixed fiber cotton rolls by adopting a carding machine to prepare mixed fiber strips; and a spinning process: spinning by using a mule spinning device. According to the woolen spinning production process for the cashmere and protein fiber blended yarn, the problems of damage to protein fibers, uneven mixing and the like during cashmere and protein fiber blending can be solved through wool mixing treatment of the cashmere fibers and pretreatment of the protein proportion, the yarn quality and the production efficiency are improved, and the production cost is reduced.

The invention discloses a metal ion enhanced antibacterial silk protein fiber and a preparation method thereof, comprising the following steps: S1: degumming silk in an alkaline salt solution, drying naturally and then drying to obtain degummed silk; S2: preparing a dissolving solution containing transition metal ions, calcium ions and an organic solvent, dissolving the degummed silk in the dissolving solution to obtain a spinning solution of a certain concentration; S3: squeezing or sucking the spinning solution into a multi-channel spinning chip through a metering device; S4: squeezing the spinning solution from an extrusion port through the chip into a coagulation bath containing a coagulant and a toughening agent of a certain concentration to form multiple strands of fiber fibrils; S5: after the multiple strands of fiber fibrils are out of the coagulation bath, they are subjected to differential stretching between stretching rollers, and finally a metal ion enhanced antibacterial silk protein fiber is obtained on a collecting roller. According to the invention, not only a high-performance regenerated fiber material is provided, but also an effective way for the resource utilization of waste silk is provided.

The invention relates to the technical field of carbon nanofiber materials, in particular to a silk protein fiber-based carbon nanofiber as well as a preparation method and application thereof, and the preparation method comprises the following steps: adding Ti3C2Tx MXene into a silk protein nanofiber solution, and stirring under argon introduction and ice bath to obtain a mixed solution; s2, the mixed solution obtained in the step S1 is subjected to freeze drying, fibroin nanofiber-X% is obtained, and X% is the mass ratio of Ti < 3 > C < 2 > T < x > MXene to the fibroin nanofiber; the fibroin nanofiber-X% obtained in the step S2 is subjected to carbonization treatment, and carbon nanofiber-X% is obtained; a two-dimensional nano material MXene is used as an additive to prevent the fiber from melt polymerization in the carbonization process, and the preparation method of the carbon nanofiber with the silk as the biomass raw material is successfully developed.

The invention belongs to the technical field of scar-free skin injury repair, and particularly relates to a magnetic particle-protein fiber dressing and a preparation method and application thereof. The preparation method comprises the following steps: coating magnetic nano-particles, mixing the obtained coated magnetic nano-particles with water-soluble copper salt and water to carry out copper ion loading, and mixing the obtained coated magnetic nano-particles loaded with copper ions with functional protein and a buffer solution to carry out incubation. And placing the obtained magnetic microsphere-protein compound solution in an external magnetic field for magnetic attraction, and then carrying out directional assembly in the external magnetic field to obtain the magnetic particle-protein fiber assembly. According to the magnetic particle-protein fiber assembly and the magnetic particle-protein fiber coating modified medical dressing provided by the invention, scar-free rapid repair of wounds can be realized, and the completeness of skin functions can be recovered; and the preparation method is simple and has important clinical application value and market prospect.

Pet food compositions and methods for improving the wellness of a pet are disclosed herein. In one aspect, provided is a pet food composition comprising about 10 wt.% or more of fat, the fat comprising one or more short chain triglyceride such as tributyrin, triacetin and / or tripropionin; a protein; and a fiber, wherein all weight percentages are based on the total weight of the pet food composition on a dry matter basis. In another aspect, a method is provided for improving the concentration of metabolite bet-ahydroxybutyrate in a pet by providing a pet food composition comprising protein, fiber, and about 7 wt.% or more of fat, the fat comprising one or more short chain triglyceride, wherein the metabolite beta-hydroxy butyrate increases by about 5% or more an hour after consumption of the pet food composition by a pet and the glucose to ketone index decreases by 10% or more.

The application relates to the technical field of fabrics, and discloses an anti-wrinkle comfortable composite fabric containing superfine denier polyester fibers and a preparation method thereof. Cotton fibers treated with alkali are immersed into modified slurry containing quaternary ammonium salt modified graphene to obtain modified cotton fibers, silk fibers and protein fibers are respectively spun into yarns, and inner-layer fabric is woven, superfine denier polyester fibers and modified cotton fibers are respectively spun into yarns, outer-layer fabric is woven, and then the inner-layer fabric and the outer-layer fabric are fixed by sewing with polylactic acid fiber filaments to obtain the anti-wrinkle comfortable composite fabric containing superfine denier polyester fibers. The composite fabric has excellent wear resistance, mechanical properties and antibacterial properties, and has the characteristics of high elasticity, has good anti-wrinkle ability, and is not prone to deformation. The woven inner-layer fabric is soft and comfortable, and can meet various demands of people for garment fabrics.

The invention discloses a protein fiber-iron phytic acid composite flocculant as well as a preparation method and application thereof. The preparation method comprises the following steps: carrying out hydrolysis reaction on protein powder under an alkaline condition, and then cross-linking through epichlorohydrin to obtain epoxy group functionalized protein fibers; reacting phytic acid with an Fe salt precursor to prepare an Fe-phytic acid complex; and reacting the epoxy group functionalized protein fiber with the Fe-phytic acid complex to obtain the composite flocculant. The composite flocculant is a nano composite material with a three-dimensional network structure and a high specific surface area, has excellent flocculating settling capacity and broad-spectrum bactericidal performance, and can synchronously realize stable sludge structure, pathogenic microorganism control and ecological toxicity reduction in a sewage treatment system; the method effectively replaces traditional agents with potential safety hazards such as aluminum salt, ferric salt and chlorine-containing bactericide, and shows good adaptability and engineering feasibility under the condition of coping with high organic load and complex microbial systems.

The invention belongs to the field of food engineering and the field of biological macromolecular materials, and particularly relates to a preparation method and application of oleogel based on protein fibers. The oleogel is prepared from the prolamin from barley and different protein fiber and xanthan gum compounds, the obtained oleogel has high oil holding capacity, high storage modulus, better thixotropic resilience and good temperature and thermodynamic stability, and different types of oleogels can be suitable for different processing scenes, so that the oleogel can be applied to different processing fields. The method can be widely applied to the fields of foods, medicines and cosmetics.

The present invention relates to a composite material comprising at least one textile commodity polymer and protein fibers comprising at least one amyloid structure. The invention also relates to a method for preparing such a material, as well as to the use of such a material for adsorbing a pollutant or extracting metal ions.

The application provides a plant amyloid protein fiber and a preparation method and a composite film and a composite coating film preservative thereof, and belongs to the technical field of protein fibers. Plant protein isolate is mixed with water, and after the pH value is adjusted to 1.5-2.5, solid-liquid separation is carried out, the obtained plant protein-containing liquid material is subjected to fiber growth treatment, and a plant amyloid protein fiber is obtained. According to the growth kinetics curve, the fiber growth treatment comprises sequentially performing first incubation treatment, ultrasonic treatment and second incubation treatment, the time of the first incubation treatment is 0 h-end of the logarithmic growth phase, and the first incubation treatment and the second incubation treatment are performed under non-ultrasonic conditions. When the time of the first incubation treatment is 0 h, the ultrasonic power density of the ultrasonic treatment is greater than or equal to 2.5 W / mL. The method is convenient for simultaneously regulating the growth process and morphology of the fiber, and can reduce the proportion of rigid fibers.

The invention relates to the technical field of cashmere blended fabric dyeing, and discloses a one-bath one-step dyeing device and process based on cashmere blended fabric, comprising a dye vat, a dye barrel arranged on one side of the dye vat, a circulating pump arranged on one side of the dye barrel, a heating device fixedly mounted above the circulating pump, and a nozzle fixedly mounted in the dye vat; according to the dyeing device, the motor is used for driving the cloth lifting roller to rotate, the magnetic beads are limited through the limiting rings of different sizes, when the pressure borne by the cloth lifting roller is in different ranges, the magnetic beads can be clamped in the different limiting rings, and when the downward sliding distance of the cloth lifting roller is larger, the magnetic beads can be clamped in the different limiting rings. If the fabric is heavier, the content of the brewed protein fibers in the raw materials is higher, the tensile property of the fabric is better, and the power of the motor is controlled to be increased by the corresponding induction plate, so that the fabric can smoothly move in the dye vat, the fabric is prevented from being stacked, and meanwhile, the fabric is not deformed or wrinkled.

The application relates to the technical field of fabrics, in particular to a fabric based on protein fiber combined with natural fiber and a preparation method thereof, which is prepared by wet core-sheath composite spinning of a down protein sheath layer and a natural cellulose core layer; the core layer is natural cellulose fiber, and the total mass of the functional fabric is 70-90%; the balance is the sheath layer formed by cross-linking and solidification of a down protein solution; and the sheath layer is loaded with nano titanium dioxide; the introduced natural cellulose core layer is the main skeleton component of the fabric, selects natural fibers such as bamboo pulp cellulose and cotton linter pulp, and provides basic mechanical support for the fabric. The abandoned down resource is used to prepare protein fiber, which is combined with natural cellulose fiber to construct a composite fiber with a functional sheath layer and a mechanical core layer. The technical scheme solves the problems of insufficient sun protection, insufficient antibacterial performance and single mechanical performance of traditional natural fiber fabrics.

The invention relates to the field of dye chemistry, and discloses an acid dye with high color fastness, a preparation method of the acid dye and application of the acid dye in textile dyeing. According to the dye molecule, a 4-sulfo benzene ring and a 2, 5-dichlorobenzene ring are connected through an azo bridge (-N = N-), and a polysulfonate substituent group (-SO3Na) is introduced to a molecular skeleton to form a symmetric azo conjugated structure. The preparation method comprises the steps of nitration, reduction, sulfonation, diazotization, coupling and the like, the process conditions are mild, and the yield is stable. The obtained dye has a strong absorption peak in the range of 540-560nm, and the molar absorption coefficient epsilon is greater than or equal to 1.0 * 10 < 5 > L.mol <-1 >. Cm <-1 >. Compared with the conventional acid red dye, the dye has the advantages that the light fastness can reach grade 8, the fastness to washing is grade 7 or above, the color is bright, the color layer is uniform, the high dye-uptake can be realized under the low-salt condition, the conductivity of waste liquid is remarkably reduced, and the dye is suitable for dyeing protein fibers such as wool, nylon and silk.

The invention relates to the technical field of protein fibers, and provides a method for producing animal protein fibers and cashmere by using animal protein, which comprises the following steps: S1, dissolving cashmere protein to obtain a cashmere protein solution; s2, mixing milk protein with an acidic aqueous solution for the first time, filtering to obtain filter residues, and mixing the filter residues with an alkaline aqueous solution for the second time to obtain a milk protein solution; s3, after the cashmere protein solution and the milk protein solution are mixed for the third time, an initiator and a cross-linking agent are added for mixing for the fourth time, a spinning solution is obtained, spinning is conducted, and the animal protein fibers are obtained. According to the technical scheme, the problem that the mechanical property of animal protein fibers produced by utilizing animal protein in the prior art is poor is solved.

The invention provides a low-salt small-bath-ratio multi-purpose functional environment-friendly reactive brilliant blue dye and a preparation method thereof, and solves the common use defects of low solubility, poor saline-alkaline resistance, poor leveling property and reproducibility and low fixation rate improvement of the existing reactive brilliant blue dye, and the existing reactive brilliant blue dye is difficult to be suitable for low-salt small-bath-ratio dyeing and low-urea printing. The dye has the advantages of higher solubility, favorable fixation rate, favorable saline-alkaline tolerance stability, favorable color fastness, high stability after dyeing, bright colored light, favorable color fastness, favorable color fastness, favorable color fastness, favorable water resistance, favorable water resistance, favorable water resistance, favorable water resistance, favorable water resistance, favorable water resistance, favorable water resistance, favorable water resistance, favorable water resistance, favorable water resistance, favorable water resistance and the like. The dye can be widely applied to dip dyeing, pad dyeing and ink-jet printing of cotton, hemp, cellulosic fiber, polyamide fiber, protein fiber or artificial cotton fiber fabrics, is low in production cost, and can be popularized and applied on a large scale.

The invention provides a phosphorus-fixing lanthanum-based nano composite material as well as a preparation method and application thereof, and relates to the field of novel nano composite materials. According to the material, lysozyme protein fibers are taken as a structural template, a confinement space is constructed by utilizing the ultrahigh length-diameter ratio of the lysozyme protein fibers, and controllable synthesis of the sub-5nm high-dispersion lanthanum oxide nanoparticles is realized. Functional groups in a protein chain can be enriched and nucleation sites can be provided through electrostatic attraction and key coordination synergistic effect, so that the lanthanum-based protein fiber nano composite material is formed. When the material is used for treating phosphorus wastewater, efficient phosphorus removal and long-term phosphorus fixation are realized through an enrichment-conversion synergistic mechanism: phosphate ions are enriched through electrostatic adsorption, and thermodynamically stable lanthanum phosphate is generated in situ at lanthanum active sites. According to the method, gt is still kept in the presence of high-concentration equal competitive ions; the phosphorus removal rate is 90%, the generated lanthanum phosphate can be used as a slow-release phosphate fertilizer or an industrial phosphorus chemical raw material, and closed-loop conversion from pollution purification to resource utilization is realized.

The invention discloses a porous protein heat-insulating fiber with a core-shell structure as well as a preparation method and application of the porous protein heat-insulating fiber. A protein solution is converted into a core layer structure and a shell layer structure with gradient pores through a coaxial spinning method by utilizing the phase separation difference of the protein solution caused by using a urea aqueous solution and trifluoroethanol as solvents, the shell layer is mainly composed of finger-shaped macropores, the core layer is of a uniform small-pore structure, and the shell layer and the core layer are tightly combined through a compact connecting layer. By regulating and controlling the spinning solution concentration, the coagulating bath exchange rate and the needle size, accurate construction of a hierarchical pore structure in the fiber is achieved, and the process is similar to a core-shell heat insulation mechanism of polar bear hair in the nature. The porous protein fiber with the core-shell structure shows excellent heat insulation performance and mechanical strength, has biodegradability and washing resistance, and is suitable for the high-efficiency heat insulation fields of intelligent clothing, building energy conservation, aerospace and the like.

The utility model belongs to the field of chemical engineering, and particularly relates to a plant-based collagen fiber extraction device which comprises a base, a supporting column is installed on the top of the base, and a suspension plate is installed on the upper portion of the supporting column. The lifting mechanism comprises a lifting device arranged on the suspension plate, the output end of the lifting device is provided with a lifting rod, and the other end of the lifting rod is connected with a hanging bracket; after the plant-based collagen fibers are separated from the stirring liner, the stirring liner can be connected with the stirring shaft again through the clamping mechanism, and the stirring liner filled with redundant wastes can be taken out of the kettle body in an upward pulling manner, so that the flocculated plant-based collagen fibers are prevented from being fused with the plant-based wastes; the purity of the extracted plant-based protein fiber is ensured; separating liquid formed by mixing plant-based collagen fibers and water is filtered through the filtering mechanism, the liquid is collected through the water diversion partition plate, and the plant-based collagen fibers are separated through fiber-grade filtering holes formed in the filtering plate.

The utility model provides an aloe protein fiber jean fabric drying device which comprises a drying machine, a drying cylinder is arranged in the drying machine, a fabric stacking area and a fabric hanging area are arranged in the drying cylinder, a plurality of position-adjustable storage racks used for hanging fabric are rotationally arranged in the fabric hanging area, and the position-adjustable storage racks are arranged on the drying cylinder. The storage rack comprises a fixing rod and a plurality of hanging rods arranged on the fixing rod at intervals, and each hanging rod is provided with a plurality of limiting protrusions. Classified drying operation can be carried out according to different states and different drying requirements of the fabric through the fabric stacking area and the fabric hanging area, efficient and rapid drying operation of the hung fabric to be dried can be achieved through drying and cooperation with the rotationally-arranged storage rack, and the drying efficiency is greatly improved; time and energy are saved, and drying is simpler and more convenient.

The invention provides a soybean fermentation bacillus and application thereof, the strain number is ASD02, the strain is preserved in China General Microbiological Culture Collection Center on May 15, 2019, called CGMCC for short, and the address is No.3, Courtyard 1, Beichen West Road, Chaoyang District, Beijing; the postal code is 100101, and the preservation number is CGMCC No.17806; the Lactobacillus plantarum strain has a Latin literature name of Lactobacillus plantarum, and the Lactobacillus plantarum strain is Lactobacillus plantarum. Propagation of the strain ASD02 is carried out by using protein and fiber in bean sewage, and the produced acidic lipase can directly decompose grease in the bean sewage into fatty acid under a controlled condition, so that harmless treatment of the bean sewage is realized; and the obtained enzymatic hydrolysate can be directly used as an anaerobic biogas fermentation raw material, so that the continuous degree of bean sewage treatment is improved, and the resource utilization rate of bean sewage is further improved.

The invention relates to a preparation method of a fiber-based curry sauce capable of resisting reheating nutrition loss and the curry sauce. Comprising the following steps: 1) juice absorption: long protein fibers absorb turmeric juice to obtain a fiber material A; 2) rubber powder film coating: uniformly mixing the fiber material A with vegetable rubber powder, and shearing to obtain a fiber material B; 3) oil-emulsion blocking: uniformly mixing an emulsifier and vegetable oil, and uniformly mixing the obtained oil-emulsion material C with the fiber material B to obtain a protein fiber base material; and 4) stir-frying and curing: weighing vegetable oil, heating, adding a flavoring agent, mixing with the vegetable oil, stir-frying, adding a mixture of wheat flour, mashed potato and water, uniformly mixing to obtain a seasoning sauce, adding the protein fiber base material, uniformly mixing, curing, packaging, and sterilizing to obtain the curry sauce. Through the processes of juice absorption, rubber powder film covering, oil emulsion blocking and stir-frying and curing, the curry sauce is repeatedly heated for multiple times, so that the loss of curcumin can be reduced, and the curry sauce can be easily adhered to the surface of food to obtain better taste and flavor.

The invention discloses a protein fiber-oxidized polysaccharide compound, an iron-loaded compound and preparation methods of the protein fiber-oxidized polysaccharide compound and the iron-loaded compound. The preparation method comprises the following steps: hydrolyzing whey protein isolate with alkaline protease to obtain whey protein isolate enzymolysis powder; mixing the whey protein isolate and the enzymolysis powder according to a mass ratio of 1: 1 to prepare a hydrolyzed protein fiber solution; sodium periodate oxidizes dextran to prepare an oxidized dextran solution; and grafting the oxidized dextran solution and the hydrolyzed protein fiber solution under the action of sodium cyanoborohydride to prepare the protein fiber-oxidized polysaccharide compound. Loading ferric chloride on the protein fiber-oxidized polysaccharide compound, and reducing by NaBH4 to obtain an iron-loaded compound; the invention provides a novel method for controllably preparing the protein fiber-oxidized polysaccharide compound at normal temperature, and the iron loading capacity is as high as 1: 1; the iron-loaded compound nano iron is more stable in valence state, higher in oxidation resistance and good in biological safety and bioavailability, the cell absorption effect is 1.33 times that of a conventional iron supplementing agent ferrous sulfate, and the iron supplementing effect is safe and efficient.

The application discloses an exosome sustained-release preparation and application thereof in treatment of tendon injury, and the sustained-release preparation takes a silk fibroin frozen sponge as a carrier, and the carrier is loaded with exosomes. The application provides the silk fibroin frozen sponge as the carrier of the exosomes, and the silk fibroin frozen sponge has good biocompatibility and biodegradability; the sustained release of the exosomes is realized by controlling a protein fiber network structure of the silk fibroin. The application utilizes the silk fibroin frozen sponge to release the exosomes in situ at a tendon injury site, so that a better tendon repair effect is achieved.

The application relates to a preparation method of high-adsorption-performance quinoa polypeptide aerogel. Firstly, WALTZ algorithm is used to predict and identify the easy-fibrillated quinoa polypeptide amino acid sequence of a quinoa protein fiber solution, the easy-fibrillated quinoa polypeptide amino acid sequence is obtained, and corresponding quinoa polypeptide is synthesized by adopting an Fmoc solid-phase synthesis method based on the quinoa polypeptide amino acid sequence; then the synthesized quinoa polypeptide is dissolved in water to form a quinoa polypeptide fiber solution; finally, the quinoa polypeptide fiber solution is mixed with a sodium alginate solution to prepare quinoa polypeptide aerogel. The WALTZ algorithm is used to predict the potential amino acid sequence of the quinoa protein which is easy to form a protein fiber, the Fmoc solid-phase synthesis method is used to synthesize quinoa decapeptide, and the high fibrillating capacity of the quinoa decapeptide is fully verified, so that efficient preparation of quinoa decapeptide amyloid fibers under neutral conditions is realized, and the quinoa decapeptide-sodium alginate composite aerogel with high adsorption performance for microplastics in water is prepared.